Description: A lens which is specially designed to control the effects of chromatic distortion or aberration (a defect of optical lenses to bring the focus of all colours to the same convergence point ...

Amazon offers an impressive selection of telescopes, and while the holiday season may have been and gone, there are ... from a visual problem called 'chromatic aberration', where bright objects ...

By 10pm, the power had gone, and police drove by warning everyone to evacuate. They took their cats and left. "In the morning, we still had no word so my husband decided to drive up," Bonnie told ...

Alternate lifting the finger off of the low E string. listen to the recording to get ...